CMMG Resolute 300 Mk4 AR-15 .350 Legend Graphite Black Rifle

Description

Product Overview

The CMMG Resolute 300 Mk4 is an AR-15-pattern rifle chambered in .350 Legend and built around a direct gas impingement system. Its 16.1-inch 4140 chrome moly barrel uses a medium taper profile, a 1:16 twist rate, and a 1/2x28 threaded muzzle fitted with a CMMG SV Break. Forged 7075-T6 aluminum receivers pair with a CMMG RML15 M-LOK handguard, Geissele SSA two-stage trigger, Magpul MOE pistol grip, and six-position CMMG RipStock. The rifle has an ambidextrous safety selector and includes one 10-round proprietary steel magazine. Graphite Black Cerakote protects the receivers and handguard, while the barrel receives a Salt Bath Nitride finish.

Key Features

• .350 Legend chambering offers a straight-wall cartridge option for range use, hunting, and defensive applications.
• 16.1-inch 4140 chrome moly barrel features a medium taper profile and 1:16 twist rate.
• 1/2x28 threaded muzzle includes a CMMG SV Break and supports compatible muzzle accessories.
• Geissele SSA two-stage trigger provides a defined first stage and a crisp second-stage release.
• RML15 M-LOK aluminum handguard provides flexible attachment points for accessories.
• Six-position CMMG RipStock adjusts for length of pull and compact storage or transport.

The CMMG Resolute 300 Mk4 combines a practical .350 Legend chambering with proven AR-15 controls and an adaptable accessory-ready design.